Welcome to GunLaws101!

We provide a comprehensive, non-partisan database of firearms laws and regulations across the United States including open carry laws, Castle Doctrine, stand your ground, assault weapons restrictions, and more.

The United States maps below display overviews of how each state's gun laws compare on common firearm-law questions. Choose your state for more details on applicable gun laws in your area, or learn more about genera gun law topics on out United States gun laws FAQ.

More Restrictive

Less Restrictive

Permit to Purchase

No Permit to Purchase

Partial Permit to Purchase

Firearm Registration

No Firearm Registration

Partial Firearm Registration

Owner License

No Owner License

Partial Owner License

Open Carry

No Open Carry

Partial Open Carry

Concealed Carry

No Concealed Carry

Partial Concealed Carry

State Preemption of Local Restrictions

No State Preemption of Local Restrictions

Partial State Preemption of Local Restrictions

Magazine Capacity Restriction

No Magazine Capacity Restriction

Partial Magazine Capacity Restriction

Castle Doctrine

No Castle Doctrine

Partial Castle Doctrine

Stand Your Ground

No Stand Your Ground

Partial Stand Your Ground

Peaceable Journey

No Peaceable Journey

Partial Peaceable Journey

Assault Weapon Restrictions

No Assault Weapon Restrictions

Partial Assault Weapon Restrictions

NFA Weapon Restrictions

No NFA Weapon Restrictions

Partial NFA Weapon Restrictions

For more details about how a particular gun law varies across the states, use the dropdown menu below to navigate to a state-by-state map and table comparing each law across the United States.